CN201335897Y

CN201335897Y - Ribbon optical fiber adapting disc

Info

Publication number: CN201335897Y
Application number: CNU2009200032524U
Authority: CN
Inventors: 鲁斌
Original assignee: 3M Innovative Properties Co
Current assignee: 3M China Ltd
Priority date: 2009-02-11
Filing date: 2009-02-11
Publication date: 2009-10-28
Anticipated expiration: 2019-02-11

Abstract

The utility model relates to a ribbon optical fiber adapting disc, which comprises a substrate, an inlet, an outlet, at least one adapting device and at least two steering passages, wherein, the base comprises a first end and a second end; the inlet and the outlet are arranged on the first end of the substrate; the two steering passages are arranged on the second end of the substrate, and two adjacent steering passages are separated by a separation element. The separation element is of a projection structure which is projected upwards from the substrate. The adapting disc not only satisfies the requirement on accommodating the optical fiber, but also satisfies the requirement that the ribbon optical fibers are free from being interested inside the adapting disc.

Description

The ribbon fiber dish that continues

Technical field

The utility model relates to a kind of optical fibre splice, particularly relates to a kind of ribbon fiber fusion joining disk of the multi-ribbon shape optical fiber that is used to continue.

Background technology

In the application of Networks of Fiber Communications, often need a kind of optical fibre splice to realize of the butt joint of an optical fiber to another optical fiber.Fig. 1 and 2 shows a kind of fibre junction dish 100 that being used in the cable connection device continue, protect and store ribbon fiber that is applied in.This fibre junction dish comprises: the pedestal 101 of rectangular in shape roughly, and pedestal 101 comprises first end 102 and second end 103; Be arranged on pedestal 101 first end, 102 places be used to the outlet 105 introducing the import 104 of

optical fiber

106 and 107 and draw optical fiber 106 ' and 107 '; Be arranged on the connection device 108 on the pedestal 102, connection device 108 be set to paired optical fiber 106 and 106 ' and paired optical fiber 107 and 107 ' dock; And be arranged on and turn to path 10 9 on second end 103 of pedestal 102.The optical fiber of introducing from import 104 106 is drawn from exporting 105 through turning to path 10 9 by connection device 108 and after optical fiber 106 ' docks.Optical fiber 107 docks with optical fiber 107 ' by connection device 108 after turning to path 10 9, and from exporting 105.In the work, the effect of import 104 and outlet 105 can be exchanged.Because connection device 108 is arranged on the middle part in the precalculated position on pedestal 102 tops, and the part that does not have butt joint of optical fiber can only be passed through from the both sides of connection device 108, and can not stride across from the top of connection device 108, therefore in the butt joint of the left and right sides of connection device 108, for example optical fiber 106 and 107 ', through common when turning to path 10 8, as Figure 1-3, at least one that will be in turning to path 10 8 put 110 places and intersected.Because these optical fiber all become band, therefore might be positioned on the Width that the point 110 that takes place to intersect is in optical fiber and deform, and then might reduce the transmission quality of each optical fiber in the ribbon fiber, even the disconnected fine risk of optical fiber can appear, interrupt communication.Dock the ribbon fiber more than two pairs if desired, the phenomenon that the optical fiber intersection then takes place can be more serious.

At present, at many when ribbon fiber is docked in the inner problem of intersecting of taking place of fibre junction dish, some solutions have also been proposed.A solution is to avoid intersection between the ribbon fiber by the capacity of sacrificing the fibre junction dish.As described in Figure 4, sacrifice the fiber alignment capacity of half, the connection device of the side (for example right side) in the left side and the connection device on right side is docked paired optical fiber, thereby realize not having intersection.But such solution is brought is that the cost of client's unit capacity has increased by one times.Another kind of solution is the height that increases the fibre junction dish, promptly increase the height that turns to passage, make ribbon fiber in the dish that continues hierarchically vertically by guide channel, thereby reduce as far as possible and the extruding of avoiding producing owing to the square crossing between the optical fiber to the damage of optical fiber.The full configuration capacity of dish though second kind of solution kept continuing, just client seldom is ready to take risks and accepts such scheme.Simultaneously, after the height of pallet strengthened, the total amount of coiling that continues that the connector box institute of same volume can hold reduced, thereby also can cause total access capability to reduce.In addition, in this solution, the intersection of ribbon fiber in the dish that continues makes the risk of optical fiber damaged still exist.

In U.S. Patent Publication No. US6192180B1 and US5519804A, all relate to the technical scheme of fiber alignment, but they all do not mention the relevant solution how to address the above problem.

The content of utility model

Be to solve the above-mentioned defective that exists in the prior art, the utility model provides a kind of ribbon fiber dish that continues, and it can prevent that ribbon fiber is in the square crossing that continues in coiling.

For realizing above-mentioned and other purpose of the present utility model, effect and advantage, a kind of ribbon fiber dish that continues is provided, comprising: pedestal, described pedestal comprise first end and second end; Be arranged on the import and the outlet at the first end place of described pedestal; At least one that is arranged on described second end turns to passage; And being arranged at least two connection devices on the described pedestal, each described connection device is arranged at least one pair of ribbon fiber is docked, and adjacent connection device separates each other, and lays passage to form between adjacent connection device.

In above-mentioned ribbon fiber continued dish, the described passage that turns to was at least two, and the adjacent described passage that turns to separates the raised structures of described separator for projecting upwards from described pedestal by at least one separator.

In above-mentioned ribbon fiber continued dish, described pedestal also comprised shirt rim and at least one optical fiber holder of the peripheral edge that is arranged on described pedestal, and described optical fiber holder extends inward into the described top that turns to passage from the upper end of described shirt rim.

The above-mentioned ribbon fiber dish that continues further comprises by described cover retention system and is combined in lid on the described shirt rim.

In above-mentioned ribbon fiber continued dish, described connection device comprised at least one pair of fabricated section.

In above-mentioned ribbon fiber continued dish, described fabricated section was equipped with optical fibre splice.

In above-mentioned ribbon fiber continued dish, the outside of described shirt rim was provided with cover retention system.

In above-mentioned ribbon fiber continued dish, the described passage that turns to was configured to circular arc.

According to the banded CD of the present utility model dish that continues, can make ribbon fiber between adjacent connection device, lay process the passage, therefore having made full use of continue dish width and length, realize the layer-management of inside and outside multilayer welding circuit.Further, on the basis that guarantees the optical fiber minimum bending radius, can be provided with two-layer or the multiple levels of management path, better fiber management solution is provided, both satisfy the demand of client's high capacity receiving optical fiber, also satisfied ribbon fiber achiasmate requirement in the dish that continues simultaneously.

Description of drawings

The present invention further describes with reference to the accompanying drawings, wherein:

Fig. 1 represents the schematic perspective view of conventional band fibre junction dish;

Fig. 2 represents the floor map of conventional band fibre junction dish shown in Figure 1;

Fig. 3 is illustrated in two pairs of explanatory view that ribbon fiber takes place to intersect in the conventional band fibre junction dish shown in Figure 1 in guide channel;

Fig. 4 is illustrated in the synoptic diagram of the solution of avoiding the optical fiber intersection in the conventional band fibre junction dish shown in Figure 1;

Fig. 5 represent according to ribbon fiber of the present utility model continue the dish schematic perspective view;

Fig. 6 represent according to ribbon fiber shown in Figure 5 of the present utility model continue the dish floor map;

Fig. 7 is illustrated in shown in Figure 5 according to ribbon fiber of the present utility model two pairs of ribbon fiber lays the path in guide channel the explanatory view in the dish that continue;

Fig. 8 represents according to the continue simplified diagram of fabricated section of dish of ribbon fiber of the present utility model; And

Fig. 9 represents according to being installed in continue the simplified diagram of fibre-optical splice in the dish of ribbon fiber of the present utility model.

In conjunction with the accompanying drawings and with reference to preferred embodiment of the present utility model, those skilled in the art can understand the application's further open, purpose, advantage and aspect better, and these given drawings and Examples just for illustrative purposes.

Embodiment

Describe exemplary embodiment of the present utility model in detail below in conjunction with accompanying drawing.Identical Reference numeral is represented identical parts in the accompanying drawing.

Accompanying

drawing

5 and 6 schematically shows according to ribbon fiber connection device of the present utility model.According to the ribbon fiber of the present utility model dish that continues is the fibre junction structure that an a kind of end enters formula (butt type), and it can be widely used in the cable splice closure product such as hat type, is used to protect and manage the fusion splice that is used to dock ribbon fiber.Owing to be that an end enters formula, comprise that the optical fiber of ribbon fiber can only be entered and be drawn by an end of the dish that continues.

With reference to accompanying

drawing

5 and 6,, comprising according to the ribbon fiber of the present utility model dish that continues: the pedestal 1 of rectangular in shape roughly, pedestal 1 comprises first end 2 and second end 3 with arc-shaped transition structure; Be arranged on the import that is used to introduce the optical fiber that comprises ribbon fiber 5 and 64 and the outlet 7 that is used to draw the optical fiber that comprises ribbon fiber 5 ' and 6 ' at first end, 2 places of pedestal 1; Between first end 2 and second end 3, be arranged on two connection devices 8 on the pedestal 1, each described connection device is arranged to two pairs of

ribbon fibers

5 and 5 ', 6 and 6 ' are docked, and these two connection devices 8 separate each other, lay passage 23 between these two connection devices 8, to form first, so that the optical fiber 6 ' after the butt joint lays process the passage 23 from first.Be appreciated that a plurality of connection devices 8 can be set, and between adjacent connection device, form a plurality of passages 23 that lay.And also can make the optical fiber process before the butt joint lay passage 23.

According to a kind of exemplary embodiment of the present utility model, the described dish that continues also is included in two that second end, 3 places are arranged on the pedestal 1 and turns to passage 9 and 10, and the adjacent passage 9 and 10 that turns to separates by at least one separator.Alternatively, also this separator can be set.The optical fiber that comprises ribbon fiber that enters in the dish that continues all can pass through this passage that turns to before continuing or after continuing, and by turning to the channel change direction, thereby draw from exporting 7.For avoiding optical fiber when turning to, to fracture, turn to the radius-of-curvature of passage 9 and 10 should be greater than the minimum bending radius of all optical fiber.There is shown and comprise two embodiment that turn to passage 9 and 10, but be appreciated that the quantity of the ribbon fiber that can introduce as required, turn to passage to be set to more than 2, such as 3-8.Alternatively, also can only be provided with one and turn to passage.

In a kind of exemplary embodiment, the raised structures 11 of separator for projecting upwards from pedestal 1.This raised structures 11 can be continuous wall shape structure, also can be arranged to arrange at interval.Further, can a plurality of raised structures 12 also be set in one of them the inboard at least of import 4 and outlet 7, thereby form a plurality of optical-fibre channels, from these optical-fibre channels 12, pass through so that introduce and draw the continue optical fiber of dish.

Pedestal 1 also comprises the shirt rim 13 of the peripheral edge that is arranged on pedestal 1.The shirt rim can be formed on other edge of the pedestal 1 except that first end 2.The outside of two connection devices 8 forms at least one with the inwall of the shirt rim 13 that is positioned at pedestal 1 both sides respectively and second lays passage 24.With at least one optical fiber holder 14 is formed at 13 top in the shirt rim, 13 upper end extends inward into the top that turns to passage 9 and 10 to described optical fiber holder 14 from the shirt rim, turns to optical fiber in passage 9 and 10 thereby maintain to be laid in.Optical fiber holder 14 has elasticity, turns to passage 9 and 10 so that make operating personnel can lift its free end and optical fiber put into respectively.Alternatively, also similar optical fiber holder 22 can be set in other position of shirt rim.

Further, also comprise by cover retention system according to the dish that continues of the present utility model and be combined in lid (not shown) on the shirt rim 13.This cover retention system is arranged on the outer wall of shirt rim 13.In a kind of exemplary embodiment, cover retention system comprises: linkwork 16, and described linkwork 16 is set in place in the outside of the shirt rim 13 of second end 3, is used for carrying out hinged with lid; And a plurality of maintenance projections 15, described maintenance projection 15 matches with the corresponding groove that covers, and so that lid is remained on the shirt rim 13, thereby covers optical fiber and other parts on pedestal 1 and the pedestal 1.

In ribbon fiber of the present utility model continued dish, each connection device 8 comprised the fabricated section 17 that at least one is made up of relative projection.As shown in Figure 8, each fabricated section 17 all comprises and being used for and base portion 18 that pedestal 1 connects and from least one pair of outstanding relative installation portion 19 of base portion 18.Installation portion 19 has certain elasticity, so that can insert fibre-optical splice 20 between the installation portion 19 that is oppositely arranged and maintain fibre-optical splice 20.As a kind of embodiment of optical fibre splice, as shown in Figure 9, this fibre-optical splice 20 can be with the optical fiber that inserts from the socket 21 that is positioned at its two ends, and for example ribbon fiber 6 and 6 ', and butt joint is got up.The embodiment of fibre-optical splice 20 can be mechanical splice or heat welded joint.

Below with reference to Fig. 5 use ribbon fiber of the present utility model to continue operating process that dish continues to ribbon fiber is described.

If in the dish that continues, ribbon fiber 5 and 5 ' is docked, at first fibre-optical splice 20 inside are inserted from the two ends of fibre-optical splice 20 respectively in the end of ribbon fiber 5 and 5 ', thereby realize machinery or the heat welded butt joint (or continuing) of ribbon fiber 5 and 5 ' in the inside of fibre-optical splice 20.Afterwards, fibre-optical splice 20 is seated in the installation portion 19 of the connection device 8 on right side among Fig. 5.Afterwards, the part of ribbon fiber 5 is filled in guide channel 9, by import 4 ribbon fiber 5 is drawn again.Simultaneously, also making another ribbon fiber 5 ' lay passage 23 through first draws from exporting 7.

If in the dish that continues, ribbon fiber 6 and 6 ' is docked, at first fibre-optical splice 20 inside are inserted from the two ends of another fibre-optical splice 20 respectively in the end of ribbon fiber 6 and 6 ', thereby realize machinery or the heat welded butt joint of ribbon fiber 6 and 6 ' in the inside of fibre-optical splice 20.Afterwards, fibre-optical splice 20 is seated in the installation portion 19 of the connection device 8 in left side among Fig. 5.Afterwards, the part of ribbon fiber 6 ' is filled in guide channel 10, by outlet 7 ribbon fiber 6 ' drawn again.Simultaneously, also making another ribbon fiber 6 lay passage 24 through second draws from import 4.

As shown in Figure 7, in the dish that continues according to ribbon fiber of the present utility model, dock under the situation of (perhaps continuing) two pairs of

ribbon fibers

5 and 5 ', 6 and 6 ', ribbon fiber 5 before the butt joint lays passage 24 and turns to passage 9 through second, and the ribbon fiber 6 ' after the butt joint turns to path 10 and lays passage 23 through first, and do not intersect between them, thereby can use 8 pairs of optical fiber of two connection devices to continue simultaneously, realize the full configuration capacity.

Though in the superincumbent description, used term import and outlet, their effect also can exchange or mix, promptly can there be optical fiber to draw from import 4, also can there be optical fiber to introduce from outlet.Further, though the continue operating process of dish of ribbon fiber of the present utility model that has been case description with the ribbon fiber, but be appreciated that also this dish that continues profile that also can continue is that cylindrical another profile is banded optical fiber for columniform optical fiber or profile all.In addition, the optical fiber storing apparatus can also be set on pedestal 1, in the dish that continues, to hold unnecessary optical fiber.

In sum, according to can being applied in the hat type optical cable connecting box that banded CD of the present utility model continues and coils.For example, the hat type optical cable connecting box produced of 3M China company comprises: Chinese home market product sold sequence number be 2178CD and 2178CDs, and Chinese foreign market product sold sequence number be the product of FDC-HS-L5 and FDC-HS-S4.The banded CD of the present utility model dish that continues because adjacent connection device is spaced apart, and formed optical fiber and has laid passage between adjacent connection device, having made full use of continue dish width and length, realizes the layer-management of inside and outside multilayer welding circuit.Further, on the basis that guarantees the optical fiber minimum bending radius, can be provided with two-layer or the multiple levels of management path, better fiber management solution is provided, both satisfy the demand of client's high capacity receiving optical fiber, also satisfied ribbon fiber achiasmate requirement in the dish that continues simultaneously.

Therefore, the description of this invention only is exemplary in essence, and the variation that does not depart from main idea of the present invention thus is also in protection scope of the present invention.

Claims

1, a kind of ribbon fiber dish that continues comprises:

Pedestal, described pedestal comprise first end and second end;

Be arranged on the import and the outlet at the first end place of described pedestal; And

At least one that is arranged on described second end turns to passage,

It is characterized in that also comprising:

Be arranged at least two connection devices on the described pedestal, each described connection device is arranged at least one pair of ribbon fiber is docked, and adjacent connection device separates each other, and lays passage to form between adjacent connection device.

2, the ribbon fiber as claimed in claim 1 dish that continues is characterized in that the described passage that turns to is at least two, and the adjacent described passage that turns to separates the raised structures of described separator for projecting upwards from described pedestal by at least one separator.

3, the ribbon fiber as claimed in claim 1 or 2 dish that continues, it is characterized in that described pedestal also comprises shirt rim and at least one optical fiber holder of the peripheral edge that is arranged on described pedestal, described optical fiber holder extends inward into the described top that turns to passage from the upper end of described shirt rim.

4, the ribbon fiber as claimed in claim 3 dish that continues is characterized in that further comprising by described cover retention system being combined in lid on the described shirt rim.

5. the ribbon fiber as claimed in claim 1 or 2 dish that continues is characterized in that described connection device comprises at least one pair of fabricated section.

6, the ribbon fiber as claimed in claim 1 or 2 dish that continues is characterized in that described fabricated section is equipped with optical fibre splice.

7, the ribbon fiber as claimed in claim 1 or 2 dish that continues is characterized in that being provided with cover retention system in the outside of described shirt rim.

8, the ribbon fiber as claimed in claim 1 or 2 dish that continues is characterized in that the described passage that turns to is configured to circular arc.